/**
 * @author SunBingJian
 * @desc T0D0
 * @date 2025/9/1
 */
public class ViralDemo1 {

    public void add(int a, int b){
        int c = a + b;
        System.out.println("a + b = "+c);
    }

    public int sub(int a, int b){
        int c = a - b;
        System.out.println("a - b = "+c);
        return c;
    }

    public static void main(String[] args) {
        int a = 10;
        char c = '男';
    }
}
